RLB2-021DBB Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RLB2-021DBB is part of the RLB Motor Power Cables series and supports the ctrlX DRIVE controller and MS2(X) motor series. This cable features a basic design with a PUR orange jacket, M23 SPEEDCON connector, and a cross section of 1.5 mm². It has a rated voltage of 600/1000 V for power wires, a dynamic bending radius of 7.5 times the cable diameter.
Internal Product Review
The RLB2-021DBB from the RLB Motor Power Cables series is a durable, basic-design power cable with a PUR jacket and a flexible M23 (SPEEDCON) connector. Rated for 5,000,000 bending cycles and supporting voltages up to 600/1000 V on power wires, it is well-suited for continuous motion applications. This cable ensures reliable operation when paired with ctrlX DRIVE controllers and MS2(X) motors.
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Product Description:
The RLB2-021DBB cable is produced by Bosch Rexroth Indramat for the RLB Motor Power Cables series. It functions as the primary power link between MS2(X) servo motors and drive racks in automated machinery, routing three-phase power and auxiliary signals through one assembly. By matching the mechanical coding and pinout required by Rexroth motion hardware, the cable simplifies installation on conveyors, pick-and-place axes, and other motion modules that require quick, reliable connections.
This model withstands 5,000,000 continuous flex cycles, so it can be installed in energy chains that move with every machine stroke without premature fatigue. A factory-molded M23 (SPEEDCON) plug provides fast quarter-turn locking and shields the eight conductors against electromagnetic interference. The power cores have a cross-sectional area of 1.5 mm², balancing current capacity with a manageable outer diameter. The conductors assigned to motor stator power are rated at 600/1000 V, while the integrated signal pair for temperature sensors and brakes carries up to 450/750 V. This separation supports mixed-voltage operation inside a single sheath and helps keep cabinet wiring compact.
A wear-resistant PUR jacket in orange RAL 2003 resists oils and weld spatter commonly found in production cells. Dynamic routing requires a minimum bend radius of 7.5 × D, whereas fixed cabinet runs may use a bend radius of 5 × D without kinking. The cable follows the Basic design rules within the Rexroth Cables product group, and its motor connection code “U” aligns the phase order with MS2(X) windings. The cable is electrically compatible with the ctrlX DRIVE platform, so supplemental adapters are not needed when assembling multi-axis drive racks. Its combined power and auxiliary conductors reduce the number of separate cable runs required between the drive and motor while preserving shielding for electrically noisy industrial environments.
